Jobs in Canada

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Added 8 mins ago
Moncton Building Systems Operator (2068) PCN 1000787
Horizon Health Network
Moncton, NB · Greater Moncton Metropolitan Area
Full-time
Must hold a valid 4th class power engineer’s license in accordance with the Boiler and Pressure Vessel Act or any equivalent combination of training and experience.
Added 8 mins ago
Director, Fire Protection Engineering - Eastern Canada
AtkinsRéalis
Montreal, QC
Full-time
Licensed Professional Engineer (P.Eng.) and member in good standing of the Ordre des ingénieurs du Québec (OIQ).
Added 8 mins ago
Senior FEA Engineer
Freudenberg Flow Technologies
Stoney Creek, NB
Full-time
Freudenberg Flow Technologies is seeking a skilled and self-directed Finite Element Analysis (FEA) Engineer to join our Stoney Creek site engineering team. Reporting directly to the Site…
Added 8 mins ago
Full Stack Engineer - Long term care applications
Primacare Living Solutions
Brampton, ON
Contract
Role Description The Full Stack Engineer for long-term care applications is a full-time, on-site role based in Brampton, ON. This role is responsible for designing, developing, and…
Added 8 mins ago
Senior Engineer, Power Transformer Services
Kinectrics
Toronto, ON
Contract
Position: Senior Engineer, Power Transformer Services
Added 8 mins ago
Enterprise Account Executive - Montreal
Novisto
Montreal, QC
Prepare effective presentations with support from the Sales Engineer.
Added 8 mins ago
Structures (CAE) Engineer
Multimatic
Markham, ON · Multimatic Technical Centre - South
Full-time
The Analysis Department at MTC is currently seeking a Structures (CAE) Engineer. Note that this position is not remote-based; the candidate needs to work onsite at our Markham location.…
Added 37 mins ago
Project Manager - PL#60915
Peter Lucas
Vancouver, BC
Full-time
Added 37 mins ago
Data Centre Field Technician
TITEC INC.
Prince George, BC
Contract
The Field Engineer will be responsible for fieldwork at customer sites to resolve and repair server systems. The Field Engineer is a critical part of post-sales support and needs to…
Added 37 mins ago
Senior Software Engineer
7shifts
Toronto, ON
Full-time
Added 37 mins ago
Ingénieur en amélioration continue / Continuous Improvement Engineer - French
Wonderbrands
Longueuil, QC
Full-time
Reporting to the team leader of the continuous improvement engineer, the continuous improvement engineer will initiate and lead the execution of projects related to the standardization of…
Added 37 mins ago
Software Engineer
7shifts
Toronto, ON
Full-time
Added 37 mins ago
Electrical Engineer III
Tundra Technical Solutions
North Vancouver, BC
Full-time
The Electrical Engineer III is responsible for executing Electrical Systems engineering assignments on new construction projects at our clients Shipyards.
Added 37 mins ago
SoC Lead Engineer – LEC & Low Power Signoff
Advanced Micro Devices, Inc
Markham, ON
Full-time
Added 37 mins ago
Silicon Design Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
The ideal candidate is a highly analytical engineer with strong problem-solving skills and attention to detail, capable of independently driving complex technical tasks to completion. They…
Added 37 mins ago
RTL/Firmware Design Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
RTL/Firmware Design Engineer (New College Grad)
Added 37 mins ago
Silicon Design Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
As a Silicon Design Engineer, you will work with formal experts and designers to verify formal properties and drive convergence.
Added 37 mins ago
Silicon Design Engineer
Advanced Micro Devices, Inc
Vancouver, BC
Full-time
As a Silicon Design Engineer, you will work with formal experts and designers to verify formal properties and drive convergence.
Added 37 mins ago
Firmware Engineer
Advanced Micro Devices, Inc
Vancouver, BC
Full-time
Added 37 mins ago
Silicon Design Infrastructure Hardware/Software Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
Added 37 mins ago
Firmware Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
We are looking for an Engineer with an obsession for firmware. As part of the role, this engineer will work closely with other firmware engineers, developers and architects across various…
Added 37 mins ago
Silicon Design Engineer
Advanced Micro Devices, Inc
Markham, ON
Full-time
Added 37 mins ago
Silicon Design Engineer
Advanced Micro Devices, Inc
Vancouver, BC
Full-time
Added 37 mins ago
Senior Manager, Major Projects Advisory
KPMG
ON · Toronto, Ontario
Full-time
Professional construction designations such as Professional Engineer or Professional Architect an asset.
Added 37 mins ago
Director, Maintenance
Porter Airlines Inc.
Toronto, ON
Full-time
Valid Transport Canada Aircraft Maintenance Engineer (AME) License or equivalent professional engineering/aviation credential strongly preferred

FICO

Sr AI Developer Platform/ Platform Engineering

Canada

Job type: Full-time
Posting language: English
Posted: Sep 28, 2026

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Original job description

Come join our engineering team in a hands-on technical role at the heart of a new discipline: Harness Engineering. As AI coding agents take on more of the software lifecycle, the hard part is no longer writing code - agents generate it faster than humans can review it, so the bottleneck shifts to verification and trust. Harness Engineering exists to break that bottleneck: engineering the environment that steers agents toward correct, maintainable, well-architected output so that quality is enforced by the system, not re-audited by a person on every change.

We call that environment the harness (Agent = Model + Harness). As a Lead Harness Engineer you'll build and own the individual controls that make up that harness, working end-to-end from problem to production.

This position is not eligible for Visa sponsorship.

What You’ll Contribute

Design, develop, deploy, and support components of the harness - the guides, feedback loops, guardrails, and shared context that turn raw model capability into production-grade engineering. This is a hands-on role focused on systems and leverage, not hand-writing application code.
Build feedforward guides - agent instruction files, reusable skills, architectural rules, reference docs, and codemods - that help agents get it right the first time.
Build feedback sensors - custom linters, static analysis, structural and architecture-fitness tests, verification loops, and LLM-as-judge reviewers - that catch issues before they reach human reviewers.
Run the steering loop - when an agent repeats a mistake, engineer a control so it can't happen again - and help keep repository knowledge (docs, specs, context) legible to agents, fighting drift.
Contribute to quality gating and release criteria, and to LLM testing that ensures AI-generated output meets quality and safety thresholds.
Help improve observability into agent work and track the measures that matter - cost per merged PR, time-to-merge for agent-assisted PRs, review velocity relative to PR size, defect escape rate, and agent-PR survival rate.
Evaluate the stability, compatibility, scalability, interoperability, and performance of harness components.
Continually learn new techniques in agent-augmented engineering and serve as a source of technical expertise and mentor to junior team members.

What We’re Seeking

Bachelor's/Master's in Computer Science or related disciplines, or relevant experience in software architecture, design, development, and testing.
Strong software engineering background; you've worked in large codebases and care about architecture, testing, and maintainability.
Comfortable building tooling across a modern stack - linters and static analysis, CI pipelines, containerized build/test environments, and instrumentation/observability - and familiar with agent instruction conventions such as AGENTS.md.
Hands-on experience with AI coding agents (e.g. Claude Code, Codex, or similar) and a feel for where they succeed and fail.
Experience with spec-driven development, context engineering, agent orchestration, fitness functions, and developer-platform work.
A systems mindset - you'd rather fix the environment than fix one output - and the ability to encode "what good looks like" into mechanical, repeatable rules.
Judgement about when to reach for deterministic, computational controls (type checkers, linters, structural/architecture-fitness tests) versus inferential, LLM-based ones (AI code review, LLM-as-judge) - and an understanding of the cost, speed, and reliability trade-offs between them.
Clear communicator; able to articulate design with architects and discuss strategy and requirements with teams.

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More about this job

Responsibilities

Design, build, deploy, and support harness controls - including agent guidance, automated feedback, guardrails, verification, and shared repository context - to improve the quality and maintainability of AI-generated code. Improve quality gates, testing, observability, and performance measures for agent-assisted development, while evaluating harness components and mentoring junior team members.

Requirements

Candidates should have a bachelor's or master's degree in computer science or a related discipline, or relevant software architecture, development, and testing experience, along with a strong engineering background in large codebases. They should have hands-on experience with AI coding agents and developer tooling, understand agent orchestration and context engineering, and be able to choose appropriate deterministic or LLM-based quality controls.

Skills

Harness Engineering
AI Coding Agents
Software Architecture
Static Analysis
Linters
CI Pipelines
Observability
Agent Orchestration
Context Engineering
Spec-Driven Development
Architecture-Fitness Testing
LLM-Based Code Review
Quality Gating
Testing
Technical Communication

Visa sponsorship

Not detected in the job text

Keywords

Harness Engineering
AI Coding Agents
Claude Code
Codex
Agent Instructions
AGENTS.md
Reusable Skills
Architectural Rules
Codemods
Linters
Static Analysis
CI Pipelines
Containerized Build And Test Environments
Structural Testing
Architecture-Fitness Tests
Verification Loops
LLM-as-Judge
Quality Gating
LLM Testing
Observability
Agent Orchestration
Context Engineering
Spec-Driven Development
Developer Platforms
Type Checkers
Software Architecture
Maintainability
Release Criteria
Agent-Assisted PRs
Defect Escape Rate

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